function InitAjax()
{
	var ajax=false;
	try 
	{
		ajax = new ActiveXObject("Msxml2.XMLHTTP");
	} 
	catch (e) 
	{
		try 
		{
			ajax = new ActiveXObject("Microsoft.XMLHTTP");
		} 
		catch (E) 
		{
			ajax = false;
		}
	}

	if (!ajax && typeof XMLHttpRequest!='undefined') 
	{
		ajax = new XMLHttpRequest();
	}

	return ajax;
}